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Finding the Third Proportional to 1,338,862 and 2,943,411

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Solution

The third proportional to 1,338,862 and 2,943,411 is: 6,470,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,862 : 2,943,411 = 2,943,411 : x
  2. Step 2: Convert to fraction form
    1,338,862/2,943,411 = 2,943,411/x
  3. Step 3: Cross multiply
    1,338,862x = 2,943,411 × 2,943,411
  4. Step 4: Simplify right side
    1,338,862x = 8,663,668,314,921
  5. Step 5: Solve for x
    x = 8,663,668,314,921/1,338,862
  6. Step 6: Final answer
    x = 6,470,919.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.